I found this Sony Walkman WM-F404 in japan but i'm not sure if they work : r/cassetteculture
Sony WM-F404 ▷ Walkman.land
Sony WM F404 Walkman Cassette Player, RARE FULL SET, TOP SHAPE, Working Well !! | Reverb
Sony Wm-f404 Cassette Corder Walkman Black From Personal Collection for sale online | eBay
ソニー レコーディング ウォークマン WM-F404 ジャンク品 | twobite.ca
Sony WM F404 Walkman Cassette Player, RARE FULL SET, TOP SHAPE, Working Well !! | Reverb
5v 1800mah Battery For Sony Wm F404 Wm170 Wm150 Wm509 Wm609 - Mobile Phone Batteries - AliExpress
Sony WM-F404 ▷ Walkman.land
WM-F404 WM-F30 WM-103 WM-R202 - Sony - SHIZAudio - Walkmans & Ancestors Museum | ШИЗАудио музей кассетных плееров и их предков
Sony WM-F404 ▷ Walkman.land
Sony radio Cassette Walkman WM-F404 silver Cassette player Working, video test | eBay
新作人気モデル SONY RECORDING WALKMAN WM-F404 asakusa.sub.jp
Sony WM-F404 Cassette Walkman - YouTube
WM-F404 from 1988. After a thorough cleaning caused by a melted belt, along with fixing loose parts and stuck playback button, it works great again. EX DBB (Dynamic Bass Boost) is amazing -
Sony WM F404 Walkman Cassette Player, RARE FULL SET, TOP SHAPE, Working Well !! | Reverb
Sony WM-F404 Cassette Player Walkman - YouTube
SONY WALKMAN WM-F404 culto.pro
Sony WM F404 Walkman Cassette Player, RARE FULL SET, TOP SHAPE, Working Well !! | Reverb
WM-f65 and WM-f404 fix up question and value? : r/walkman